5 As4O6 + 8 KMnO4 + 52 KCl + 18 H2O → 20 K3AsO4 + 8 MnCl2 + 36 HCl
This is an oxidation-reduction (redox) reaction:
8 MnVII + 40 e- → 8 MnII (reduction)
20 AsIII - 40 e- → 20 AsV (oxidation)
KMnO4 is an oxidizing agent, As4O6 is a reducing agent.
Reactants:
Products:
- K3AsO4
- MnCl2 – Manganese(II) chloride , Manganese dichloride
- HCl – Chlorane , Hydrogen chloride
- Other names: Hydrochloric acid , M , Uriatic acid
- Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]